Bifurcated Halogen Bond-Driven Supramolecular Double Helices from 1,2-Dihalotetrafluorobenzene and 2,2′-Bi(1,8-naphthyridine)

• Published in: Crystals (Basel) Vol. 12; no. 7; p. 937
• Main Author: Wang, Ziyu
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.07.2022
• Subjects: bifurcated halogen bond; Bifurcation theory; Bonding strength; Bromine; Chlorine; Crystal structure; Density functional theory; enantiomeric pair; Helices; Hydrogen bonds; Iodine; Single crystals; Solvents; Stacking; supramolecular double helices; π···π stacking interaction; China

The unique enantiomeric pairs of double helices have been found in the structure of the cocrystal between 1,2-diiodotetrafluorobenzene and 2,2′-bi(1,8-naphthyridine). The formation of the supramolecular double helices is driven by the strong bifurcated iodine bonds which can force the herringbone pa...